5656226166 has 64 divisors (see below), whose sum is σ = 13243200000. Its totient is φ = 1784522016.

The previous prime is 5656226161. The next prime is 5656226201. The reversal of 5656226166 is 6616226565.

It is a happy number.

5656226166 is a `hidden beast` number, since 5 + 6 + 5 + 6 + 22 + 616 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5656226161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1587495 + ... + 1591053.

It is an arithmetic number, because the mean of its divisors is an integer number (206925000).

Almost surely, 2^5656226166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5656226166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6621600000).

5656226166 is an abundant number, since it is smaller than the sum of its proper divisors (7586973834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5656226166 is a wasteful number, since it uses less digits than its factorization.

5656226166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5138 (or 5132 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 5656226166 is about 75207.8863284962. The cubic root of 5656226166 is about 1781.7314892055.

It can be divided in two parts, 56562 and 26166, that added together give a palindrome (82728).

The spelling of 5656226166 in words is "five billion, six hundred fifty-six million, two hundred twenty-six thousand, one hundred sixty-six".